报告日期,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31, 总资产利润率(%),0.35,0.4,0.76,0.33,2.19,3.98,4.98,6.66,7.14,5.39,4.98, 主营业务利润率(%),1.27,4.63,4.35,8.37,13.14,11.47,11.38,12.18,11.08,8.29,8.09, 总资产净利润率(%),0.36,0.39,0.77,0.31,1.94,4.79,6.42,8.46,7.96,5.79,4.98, 成本费用利润率(%),1.17,2.19,2.54,1.56,8.29,10.66,9.61,11.06,9.83,7.59,6.13, 营业利润率(%),1.25,2.38,2.87,1.08,8.09,9.84,8.76,9.73,9.06,7.39,6.06, 主营业务成本率(%),98.48,95.08,95.15,87.93,83.94,85.02,85.27,84.47,85.59,88.34,88.6, 销售净利率(%),0.77,1.12,2.13,1.3,9.21,7.37,6.61,7.51,6.9,6.11,4.99, 净资产收益率(%),0.79,0.84,1.64,0.72,5.24,12.28,16.05,13.93,28.32,23.45,23.01, 股本报酬率(%),23.41,27.02,28.82,24.08,37.97,59.23,111.24,175.87,--,--,--, 净资产报酬率(%),6.38,7.44,7.95,6.79,10.64,17.04,22.91,21.34,52.27,23.31,23.01, 资产报酬率(%),2.91,3.56,3.67,3.13,4.45,5.52,7.1,10.21,13.26,5.39,4.98, 销售毛利率(%),1.52,4.92,--,--,--,--,--,15.53,14.41,11.66,11.4, 三项费用比重(%),3.49,4.71,5.15,7.59,10.11,4.43,3.3,3.01,3.32,4.47,4.32, 非主营比重(%),268.76,211.81,224.82,471.24,87.08,40.7,21.49,14.33,21.32,53.01,38.11, 主营利润比重(%),106.07,210.83,170.13,540.33,163.49,115.75,128.77,121.14,122.28,113.56,137.21,